Home / 12,421,053.11-18,632,323.91-3,901,389.57

Finding the Fourth Proportional to 12,421,053.11, 18,632,323.91 and 3,901,389.57

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Solution

The fourth proportional to 12,421,053.11, 18,632,323.91 and 3,901,389.57 is: 5,852,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421,053.11 : 18,632,323.91 = 3,901,389.57 : x
  2. Step 2: Convert to fraction form
    12,421,053.11/18,632,323.91 = 3,901,389.57/x
  3. Step 3: Cross multiply
    12,421,053.11x = 18,632,323.91 × 3,901,389.57
  4. Step 4: Simplify right side
    12,421,053.11x = 72,691,954,147,828.67
  5. Step 5: Solve for x
    x = 72,691,954,147,828.67/12,421,053.11
  6. Step 6: Final answer
    x = 5,852,318.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.